sudo apt-get update
sudo apt-get -y upgrade
sudo apt-get clean

sudo apt-get -y install unzip psmisc mlocate telnet lrzsz vim rcconf htop p7zip dos2unix curl
sudo apt-get clean
sudo apt-get -y install gcc
sudo apt-get clean
sudo apt-get -y install build-essential libssl-dev libffi-dev libxml2-dev libxslt1-dev
sudo apt-get clean
sudo apt-get -y install libtiff5-dev libjpeg8-dev zlib1g-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev python-tk
sudo apt-get clean

sudo apt-get -y install git-core
sudo apt-get clean

sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
sudo apt install python3.8

sudo apt-get install python3-venv
sudo apt-get install python3-virtualenv

sudo apt-get clean

mkdir airquality
virtualenv --python=python3.8 airquality_venv36

source airquality_venv36/bin/activate

sudo apt-get -y install python-dev
sudo apt-get clean
sudo apt-get -y install python-pip
sudo apt-get -y install python-pillow
sudo apt-get clean

sudo apt-get update
sudo apt-get install python3-pip python3-dev postgresql postgresql-contrib nginx

sudo -u postgres psql
CREATE DATABASE airquality;
CREATE USER pk WITH PASSWORD '0penSource@12';
ALTER ROLE pk SET client_encoding TO 'utf8';
ALTER ROLE pk SET default_transaction_isolation TO 'read committed';
ALTER ROLE pk SET timezone TO 'UTC';
GRANT ALL PRIVILEGES ON DATABASE airquality TO pk;
\q

genssh key
cat ~/.ssh/id_rsa.pub

env GIT_SSL_NO_VERIFY=true git clone -b api [email protected]:crowdplat/NASA-SERVIR-Backend.git airquality
cd airquality/

pip install -r requirements.txt

cd AqApi
python manage.py runserver 0.0.0.0:8000
# To end Ctrl + C

python manage.py migrate

gunicorn AqApi.wsgi:application --bind 0.0.0.0:8000

cd ..
nano gunicorn_airquality.sh

#!/bin/bash

NAME="air-quality-explorer"                                   # Name of the application
DJANGODIR=/home/airquality/airquality/AqApi        # Django project directory
SOCKFILE=/home/airquality/airquality/AqApi/gunicorn.sock # we will communicte using this unix socket
USER=ubuntu                                           # the user to run as
GROUP=ubuntu                                          # the group to run as
NUM_WORKERS=3                                         # how many worker processes should Gunicorn spawn;                                               # usually is NUM_OF_CPU * 2 + 1
DJANGO_SETTINGS_MODULE=AqApi.settings          # which settings file should Django use
DJANGO_WSGI_MODULE=AqApi.wsgi                  # WSGI module name
TIMEOUT=60
echo "Starting $NAME as `whoami`"

# Activate the virtual environment

cd $DJANGODIR
source /home/airquality/airquality_venv36/bin/activate
export DJANGO_SETTINGS_MODULE=$DJANGO_SETTINGS_MODULE
export PYTHONPATH=$DJANGODIR:$PYTHONPATH

# Create the run directory if it doesn't exist

RUNDIR=$(dirname $SOCKFILE)
test -d $RUNDIR || mkdir -p $RUNDIR

# Start your Django Unicorn
# Programs meant to be run under supervisor should not daemonize themselves (do not use --daemon)

exec gunicorn ${DJANGO_WSGI_MODULE}:application \
  --name $NAME \
  --workers $NUM_WORKERS \
  --user=$USER --group=$GROUP \
  --timeout $TIMEOUT \
  --bind=unix:$SOCKFILE \
  --log-level=debug \
  --log-file=-

sudo chmod u+x gunicorn_airquality.sh

sudo apt-get -y install supervisor

sudo nano /etc/supervisor/conf.d/airquality.conf

[program:air-quality-explorer]
command = /home/airquality/gunicorn_airquality.sh ; Command to start app
user = ubuntu                                         ; User to run as
stdout_logfile = /home/airquality/logs/airquality_supervisor.log ; Where to write log messages
redirect_stderr = true                                ; Save stderr in the same log
environment=LANG=en_US.UTF-8,LC_ALL=en_US.UTF-8       ; Set UTF-8 as default encoding

mkdir -p /home/airquality/logs/
touch /home/airquality/logs/airquality_supervisor.log

lsb_release -a

sudo supervisorctl reread
sudo supervisorctl update
sudo supervisorctl start air-quality-explorer

sudo systemctl restart supervisor
sudo systemctl enable supervisor

sudo supervisorctl status air-quality-explorer

sudo apt-get -y install nginx

sudo nano /etc/nginx/sites-available/airquality.conf

upstream airquality_server {
  # fail_timeout=0 means we always retry an upstream even if it failed
  # to return a good HTTP response (in case the Unicorn master nukes a
  # single worker for timing out).
  server unix:/home/airquality/airquality_venv36/run/gunicorn.sock fail_timeout=0;
}

server {
    server_name aqatmekong-servir.adpc.net;

    client_max_body_size 4G;

    keepalive_timeout 0;
    sendfile on;

    access_log /home/airquality/logs/nginx-access.log;
    error_log /home/airquality/logs/nginx-error.log;

    location /static/ {
        alias   /home/airquality/airquality/static/;
    }

    location / {

        # an HTTP header important enough to have its own Wikipedia entry:
        #   http://en.wikipedia.org/wiki/X-Forwarded-For
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        # enable this if and only if you use HTTPS, this helps Rack
        # set the proper protocol for doing redirects:
        # proxy_set_header X-Forwarded-Proto https;

        # pass the Host: header from the client right along so redirects
        # can be set properly within the Rack application
        proxy_set_header Host $http_host;

        # we don't want nginx trying to do something clever with
        # redirects, we set the Host: header above already.
        proxy_redirect off;

        # set "proxy_buffering off" *only* for Rainbows! when doing
        # Comet/long-poll stuff.  It's also safe to set if you're
        # using only serving fast clients with Unicorn + nginx.
        # Otherwise you _want_ nginx to buffer responses to slow

        # Try to serve static files from nginx, no point in making an
        # *application* server like Unicorn/Rainbows! serve static files.
        if (!-f $request_filename) {
            proxy_pass http://airquality_server;
            break;
        }
    }

    # Error pages
    error_page 500 502 503 504 /500.html;
    location = /500.html {
        root /home/airquality/airquality/static/;
    }
  }

sudo ln -s /etc/nginx/sites-available/airquality.conf /etc/nginx/sites-enabled/airquality.conf

sudo rm /etc/nginx/sites-enabled/default

sudo service nginx start

sudo service nginx restart

sudo service nginx status